Andrew Klimenyuk / Mbed 2 deprecated STM32F103C8T6_WIFI_Heating_system

STM32F103C8T6_WIFI_Heating_system

Dependencies:   mbed mbed-STM32F103C8T6 eeprom_flash Watchdog PinDetect DS1820

  1. Bluepill STM32F103C8T6 Heating system
    1. _This project is core part of bigger heating system project!_

Features - Reading temperature from four DS18B20 sensors - Making a decision about switching on/off heater and pomp - Executing simple user commands from UART - Storing state parameters to program memory (EEPROM emulation)

main.cpp

Committer:
andrewklmn
Date:
2018-09-10
Revision:
15:721546347507
Parent:
14:d954558361b9
Child:
16:c7b77648311d

File content as of revision 15:721546347507:

#include "stm32f103c8t6.h"
#include "mbed.h"

Serial  pc(PA_2, PA_3);

char a[128] = "";       // RX command buffer
char i = 0;             // RX char pointer
static char recieved = 0;

// This function is called when a character goes into the RX buffer.
void rxCallback() {
    char c;
    c = pc.getc();
    if (recieved == 0){ // skip if command was already received
        if ( c  == 0x0d || c  == 0x0a ) { 
             recieved = 1;
        } else {
            if (i==16){     // max length of command from SERIAL
                a[0] = c;
                a[1] = '\0';
                i = 0;
            } else { 
                a[i] = c;
                i++;
                a[i] = '\0';
            };
       };
    };
};
 
  
int main() {
        
    confSysClock();     //Configure system clock (72MHz HSE clock, 48MHz USB clock)
    DigitalOut  myled(LED1);
    
    pc.attach(&rxCallback, Serial::RxIrq);
    pc.baud(115200);  
    pc.printf("Hello world!\r\n");
    
    while(1) {
        // The on-board LED is connected, via a resistor, to +3.3V (not to GND). 
        // So to turn the LED on or off we have to set it to 0 or 1 respectively
        myled = 0;      // turn the LED on
        wait_ms(50);   // 200 millisecond
        myled = 1;      // turn the LED off
        wait_ms(50);  // 1000 millisecond
        myled = 0;      // turn the LED on
        wait_ms(50);   // 200 millisecond
        myled = 1;      // turn the LED off
        wait_ms(50);  // 1000 millisecond
        myled = 0;      // turn the LED on
        wait_ms(50);   // 200 millisecond
        myled = 1;      // turn the LED off
        wait_ms(1000);  // 1000 millisecond
        if (recieved == 1) {
            
            // command was recieved
            pc.printf(a);
            
            // ready for new command
            recieved = 0;
            a[0] = '\0';
            i = 0;
        };  
            
    }
}